Operation arithmetic controller with magnetic disk for electronic computer



FIG. 1 is a front, top and right side perspective view of an operationarithmetic controller with magnetic disk for electronic computer showingmy new design;

FIG. 2 is an enlarged front elevational view thereof;

FIG. 3 is an enlarged rear elevational view thereof;

FIG. 4 is an enlarged top plan view thereof;

FIG. 5 is an enlarged right side elevational view thereof;

FIG. 6 is an enlarged left side elevational view thereof;

FIG. 7 is an enlarged bottom plan view thereof;

FIG. 8 is a front, top, and right side perspective view thereof, the lidof the operation panel being in the opened position.

The ornamental design for an operation arithmetic controller withmagnetic disk for electronic computer, as shown and described.